Trigger for major volcanic eruptions found

The video explains how the injection of newer, hotter magma into a volcano, where it mixes with older, cooler magma, can trigger a major volcanic eruption. This process highlights the dynamic nature of volcanic systems and the conditions that lead to eruptions.

Explain how an injection of newer magma can lead to a major eruption.

What are the potential consequences of a major eruption triggered by magma interactions?